The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 1993
Filed:
Oct. 01, 1991
Keiichi Nakano, Hachioji, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
In a vector quantization method and apparatus of the invention, in the network learning step, learning is performed such that output units corresponding to the indexes of a plurality of code book vectors Yi are caused to ignite more as the output units are located nearer to an input vector. The search order is determined such that the code book vectors are searched in the order of the indexes corresponding to the decreasing magnitudes of ignition from the output units. In the strain calculation step, the strains between the code book vectors Yi selected in the determined order and the input vector X are calculated in units of dimensions. The current partial sum of strains is compared with the minimum stain. If the partial sum is larger than the minimum strain, the subsequent strain calculation is interrupted.